1. Hoy DG, Protani M, De R, Buchbinder R. The epidemiology of neck pain. Best Pract Res Clin Rheumatol. Bailliere Tindall Ltd. 2010;24:783–92.
2. Schopflocher D, Taenzer P, Jovey R. The prevalence of chronic pain in Canada. Pain Res Manag. 2011;16(6):445–50.
3. Côté P, van der Velde G, Cassidy JD, Carroll LJ, Hogg-Johnson S, Holm LW, et al. The burden and determinants of neck pain in workers. Results of the bone and joint decade 2000-2010 task force on neck pain and its associated disorders. J Manip Physiol Ther. 2009;32(2 SUPPL)
4. Bogduk N. The anatomy and pathophysiology of neck pain. Vol. 14, physical medicine and rehabilitation clinics of North America. W.B. Saunders; 2003. p. 455–72.
5. Olesen J, Bes A, Kunkel R, Lance JW, Nappi G, Pfaffenrath V, et al. The international classification of headache disorders, 3rd edition (beta version). Cephalalgia. 2013;33(9):629–808.